Pastel palette
Greige Harbor
Dark anchor, working middle, light release: #006061, #008d8f, #37a9ab, #5fb6b7, #7cd3d4 form a tetradic pastel set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpastelfive-stop
#006061
#008d8f
#37a9ab
#5fb6b7
#7cd3d4
The generator opens with #006061 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.